Delsie loves tracking the weather--lately, though, it seems the squalls are in her own life. She's always lived with her kindhearted Grammy, but now she's looking at their life with new eyes and wishing she could have a "regular family." Delsie observes other changes in the air, too--the most painful being a friend who's outgrown her. Luckily, she has neighbours with strong shoulders to support her, and Ronan, a new friend who is caring and courageous...

Witches, who for centuries have maintained the climate, are losing their power as the atmosphere becomes more erratic, and all hope for a better future lies with Clara Densmore, an Everwitch whose rare magic is tied to every season.